| TESTING ITEMS | SPECIFICATION | RESULTS |
| Appearance | White or almost white crystalline powder | Conforms |
| Identification | Meet the requirement | Conforms |
| Appearance of solution | Clear ≤BY5 | Conforms |
| Loss on drying | ≤0.5% | 0.23% |
| Residue on ignition | ≤0.1% | 0.04% |
| Related substances | Any single impurity ≤0.1% | 0.02% |
| Total impurities ≤1.0% | 0.15% | |
| Heavy metals | ≤10ppm | <10ppm |
| Assay | 98.5%~ 101.0% | 99.68% |
| Conclusion: The Product Conforms to CP/USP/BP. |
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